Int B3 Fn 7B  - Zipkey - Get Values Needed To Save Zipkey Context          [U]

   AH = 7Bh

Return: BL = maximum number of characters for a city name
   BH = ZIPKEY state code for last city-name search, or FFh if none
   CX:DX = internal code identifying last city search
   AX destroyed

See Also: AH=7Ch